1-Methoxypentamethyldisiloxane CAS 18156-38-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18156-38-2 |
| Molecular Formula | C6H18O2Si2 |
| Molecular Weight | 178.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methoxypentamethyldisiloxane (CAS 18156-38-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H18O2Si2. Molecular weight: 178.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H18O2Si2 |
| Molecular Weight | 178.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 1962 |
Recommended Standards
- 1,2-dimethoxy-1,1,2,2-tetramethyldisilane (CAS 10124-62-6)
- Peroxybis(trimethylsilane) (CAS 5796-98-5)
- Dibutyl Disulfide (CAS 629-45-8)
- Fenbendazole Sulfone-D3 (CAS 1228182-49-7)
- 3-(2,6-Difluorophenoxy)propanenitrile (CAS 1379161-50-8)
- 6-Amino-1H-indole-4-carbonitrile (CAS 885518-24-1)
- (1R)-6-Fluoro-7-(2-fluoro-6-hydroxyphenyl)-1-(2-isopropyl-4-methylpyridin-3-yl)-4-((S)-2-methylpiperazin-1-yl)pyrido[2,3-d]pyrimidin-2(1H)-one (CAS 2423110-39-6)
- 2-Chloro-1-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-1-yl)ethan-1-one (CAS 1704067-44-6)
- (S)-3,3'-Diiodo-2,2'-bis(methoxymethoxy)-1,1'-binaphthalene (CAS 219583-87-6)
- Semaglutide Impurity 133 (CAS CATO-C4X-2226133)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com